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> 秋竹同学在厨房帮妈妈做饭时观察到了一些现象，并用所学物理知识进行了解释，其中解释正确的是 A.高压锅做饭熟的快，是因为压强增大，沸点降低 B.瓷碗碰碎不能复原，是因为分子间斥力大 C.打开电冰箱时冒出的“白烟”，是冰箱内的水蒸气液化形成的 D.炒菜时闻到香味是分子的无规则运动

问题：

发布时间：2020-03-13

秋竹同学在厨房帮妈妈做饭时观察到了一些现象，并用所学物理知识进行了解释，其中解释正确的是

A.高压锅做饭熟的快，是因为压强增大，沸点降低
B.瓷碗碰碎不能复原，是因为分子间斥力大
C.打开电冰箱时冒出的“白烟”，是冰箱内的水蒸气液化形成的
D.炒菜时闻到香味是分子的无规则运动

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